Why external Print Server is better than internal Print Server ?

There are so many advantages to use external Print Server than to use internal Print Server.
For example:
1. Usage for any kind of Printers :
Most internal Print Server support only a single model of printer. If you change your current printer in the future, you cannot this internal print server any more. You are forced to purchase a new Print Server. External Print Server can support any kind of printers. You do not have to replace new print server when you replace printer.

2. Easy to install :
With external Print Server, you do not have to power off Printer, look for screw driver to open up printer, insert internal print server, power on printer, ¡K.